On Thu, 2005-01-27 at 11:36 +0100, Andi Kleen wrote:> Arjan van de Ven <arjan@infradead.org> writes:> > > This first patch of the series introduces a sysctl (default off) that> > enables/disables the randomisation feature globally. Since randomisation may> > make it harder to debug really tricky situations (reproducability goes> > down), the sysadmin needs a way to disable it globally.> > A global sysctl doesn't make much sense to me for this. If you> want to get some program running you don't want to impact your> system daemons. And a non root user couldn't enable it anyways,> which can be annoying if it is needed to get some binary working.> > If anything I would make it a personality flag so that it can> be set per process.

I actually wanted both; eg a global "whack it off" and a per processflag for all the reasons you state. I have no objection to remove the global "whack it off" flag, however,for testing this stuff in -mm it might be useful to have a simple "turnit off" option.